From 55bd102530d4d2f0d2a5f375e08cf64efebb6f88 Mon Sep 17 00:00:00 2001
From: Doug Roeper <Dig-Doug@users.noreply.github.com>
Date: Fri, 23 Dec 2022 07:30:32 -0500
Subject: [PATCH] Update build.rs to read from RUSTC

Cargo exposes `RUSTC` ([docs](https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-build-scripts)).
---
 build.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.rs b/build.rs
index 20cf4a0..7d2e916 100644
--- a/build.rs
+++ b/build.rs
@@ -25,7 +25,7 @@ fn check_func(function_name: &str) -> bool {
         writeln!(&mut test_file, "}}").unwrap();
     }
 
-    let output = Command::new("rustc").
+    let output = Command::new(env::var_os("RUSTC").unwrap()).
         arg(&test_file_name).
         arg("--out-dir").arg(&out_dir).
         arg("-l").arg("udev").